Analysis

  • max time kernel
    149s
  • max time network
    128s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    09/08/2026, 06:14

General

  • Target
    ScreenConnect.ClientSetup.exe
  • Size 12.2MB
  • Sample260809-gzedvssbmg
  • SHA256 6da94ae29b7c3f8a3983ea42ca891eb24a784ae2bc0b9377724dafebacfdf7d9
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Badlisted process makes network request 2 IoCs

    Network request originating from process or tool commonly abused by malware.

  • Sets service image path in registry 3 TTPs 1 IoCs

    This determines the executable launched when a service starts. It can be used to establish persistence.

  • ConnectWise ScreenConnect remote access tool

    ConnectWise ScreenConnect is a remote desktop tool that can be used as a backdoor.

  • Enumerates connected drives 3 TTPs 46 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Boot or Logon Autostart Execution: Authentication Package 1 TTPs 1 IoCs

    Suspicious Windows Authentication Registry Modification.

  • Drops file in System32 directory 9 IoCs
  • Event Triggered Execution: Component Object Model Hijacking 1 TTPs

    Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

  • Drops file in Program Files directory 16 IoCs
  • Drops file in Windows directory 17 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 42 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks SCSI registry key(s) 3 TTPs 5 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies data under HKEY_USERS 13 IoCs
  • Modifies registry class 37 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 7 IoCs
  • Suspicious use of SendNotifyMessage 5 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Users\Admin\AppData\Local\Temp\ScreenConnect.ClientSetup.exe
    "C:\Users\Admin\AppData\Local\Temp\ScreenConnect.ClientSetup.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4608
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.4.3.9662\26116ac97bc64dcf\ScreenConnect.ClientSetup.msi" SC_EXE_PATH="C:\Users\Admin\AppData\Local\Temp\ScreenConnect.ClientSetup.exe"
      2⤵
      • Badlisted process makes network request
      • Enumerates connected drives
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      PID:5180
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Boot or Logon Autostart Execution: Authentication Package
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2316
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding BE2330D2985854C361CD5444E00A04FD C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4340
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI14D6.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240719187 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:3256
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI17D5.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240719859 10 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiMotw
        3⤵
        • Badlisted process makes network request
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:1988
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI2090.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240722093 17 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:720
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:936
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 3E471627179A140F3D835E912636D514
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:1240
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 1B7A631CE49525F590E66C6E8E0FA9A9 E Global\MSI0000
        2⤵
        • Drops file in Windows directory
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:4800
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:5052
    • C:\Program Files (x86)\ScreenConnect Client (26116ac97bc64dcf)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (26116ac97bc64dcf)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-q0mttg-relay.screenconnect.com&p=443&s=31c9fa51-ad96-4f02-ad4c-4c96f48e9afe&k=BgIAAACkAABSU0ExAAgAAAEAAQBNRQHJJexYogTP65rilol4TXPlkuAatFS0RwqdcXGwfNdYq1O5O98zZb1kyH%2fpsa%2bWkBwVaka6nByMACo%2bhwxpzpxh%2fDhxJRlK1T7KzqAKeOyqbM7Eb9DeeyGEJ6iIGkAYSA%2brlzYLpBqG5Fk9wXj6hHViVZyKINz2AvZvLaqvdLdrxp1yLlh7sH%2fqlURHg2HlGKqG6kF%2b0k2TNEPmlmiPKF8GRUIwh94SaP5hQo3%2bmjwNAie0Xe8XFxC%2fhKgjzrXW3jhbpKaJex2iH2MTwkZeG10Io0eCYCDLLnG%2bB4g8o7huSYcmewfIImeHeaJ14Z7AVYR1ERnw8PlsfgCmRczA"
      1⤵
      • Sets service image path in registry
      • Drops file in System32 directory
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3700
      • C:\Program Files (x86)\ScreenConnect Client (26116ac97bc64dcf)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (26116ac97bc64dcf)\ScreenConnect.WindowsClient.exe" "RunRole" "962c0be7-2434-42c3-bac3-7599b500da95" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:6040
      • C:\Program Files (x86)\ScreenConnect Client (26116ac97bc64dcf)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (26116ac97bc64dcf)\ScreenConnect.WindowsClient.exe" "RunRole" "f7337279-b58b-4394-bea9-1663627801e9" "System"
        2⤵
        • Executes dropped EXE
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        PID:5972

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          e59796d.rbs

          • Path C:\Config.Msi\e59796d.rbs
          • Size 214KB
          • SHA256 88e45ada0023745d3eded42718846e6be52bc61f970700212904a8a87d293346
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (26116ac97bc64dcf)\Client.en-US.resources
          • Size 64KB
          • SHA256 a90983b3d26f9e6bb472663b84d13254349f62b0ad4c667fd76b3edd270240b2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (26116ac97bc64dcf)\Client.resources
          • Size 6KB
          • SHA256 bd34378ad99f7609fa0c7c8edde6337c738a61d288863015629329806a1cc728
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (26116ac97bc64dcf)\ScreenConnect.Client.dll
          • Size 412KB
          • SHA256 4010ea184982e71ad71e76b43266488c954f665324b89ef042cea9e463a60c9d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (26116ac97bc64dcf)\ScreenConnect.ClientService.dll
          • Size 91KB
          • SHA256 6e6aa42b107d3e82b7b7dc18a75eee3f09e9f268788c0a7edbbc617152adf178
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (26116ac97bc64dcf)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 a94ecccb5b88e3860d619fbb3b87ff4af6448240ab65b89d610f348d75e793f2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (26116ac97bc64dcf)\ScreenConnect.Core.dll
          • Size 577KB
          • SHA256 eedbd9ba4755f238af397c71b575082e18a31eabacc22abb4949f92fe991e169
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (26116ac97bc64dcf)\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 305663a05c77c8058569a976db740aa2f20b66583f0381059633b628376570fc
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (26116ac97bc64dcf)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (26116ac97bc64dcf)\ScreenConnect.WindowsClient.exe
          • Size 676KB
          • SHA256 f49ca44ae19ec33053d76aeca7136193095b6583888a0be063b8120c3c9226c7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe.config

          • Path C:\Program Files (x86)\ScreenConnect Client (26116ac97bc64dcf)\ScreenConnect.WindowsClient.exe.config
          • Size 266B
          • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (26116ac97bc64dcf)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 837KB
          • SHA256 ce75ee1188726b49d46477166faac6f8715ca1aa4afc5b8a687fcbfcd541c0c2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (26116ac97bc64dcf)\system.config
          • Size 964B
          • SHA256 e0e7c363a885ab57709525926c054bf6e1ea0b57386d94768496ecc88d909a49
          • MD5 SHA1 SHA512 TLSH

          MSI14D6.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSI14D6.tmp
          • Size 1.1MB
          • SHA256 18bacfd2a7c95800b6279cb8731bf03c8bbb526f5bc3790254a8e06d7ceee8ad
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI14D6.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI14D6.tmp-\ScreenConnect.Core.dll
          • Size 567KB
          • SHA256 15fec18d3a8990cdb540897ede61227353165668048c001164fcd22233cc8390
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI14D6.tmp-\ScreenConnect.InstallerActions.dll
          • Size 24KB
          • SHA256 c1142cc3ae09a7d3b5392539c29cbeb585543a38c93e37e55d82cbe0bb56d588
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI14D6.tmp-\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 ae3005e1ca932eccde09c479fde2ecf8ea2feeb908dec4f0c830eab671276454
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CustomAction.config

          • Path C:\Users\Admin\AppData\Local\Temp\MSI17D5.tmp-\CustomAction.config
          • Size 234B
          • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI17D5.tmp-\ScreenConnect.WindowsInstaller.dll
          • Size 137KB
          • SHA256 7c27380976a5befc5a947e129eb464123f46d06cf0eb7f984ced921f36e1d0e7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientSetup.msi

          • Path C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.4.3.9662\26116ac97bc64dcf\ScreenConnect.ClientSetup.msi
          • Size 9.8MB
          • SHA256 2ee83ac5100407499f2796f42c5f35a5889a618f5f8abe8bf2afeee67663e518
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSI7FA7.tmp

          • Path C:\Windows\Installer\MSI7FA7.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          qmeomd51.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (26116ac97bc64dcf)\qmeomd51.newcfg
          • Size 881B
          • SHA256 0cb8f61bc0af4d7d97d2d9c48aea7bc30e625d78daaa58d79b4951f6bd4658ae
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (26116ac97bc64dcf)\user.config
          • Size 683B
          • SHA256 e84668aaff914dd6b063485f3f1a6e437af47879667fa9fa61c4b9f56ae417dd
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (26116ac97bc64dcf)\user.config
          • Size 520B
          • SHA256 4ff463adf114140c334e9537d75504fd30953c0b47e89a4fb9debb6f0070829b
          • MD5 SHA1 SHA512 TLSH

          memory/1988-77-0x0000000005BF0000-0x0000000005C18000-memory.dmp

          memory/2316-179-0x0000018CD68F0000-0x0000018CD6C37000-memory.dmp

          memory/2316-118-0x0000018CD68F0000-0x0000018CD6C37000-memory.dmp

          memory/3256-35-0x0000000003EE0000-0x0000000003F0E000-memory.dmp

          memory/3256-47-0x0000000006220000-0x00000000063D0000-memory.dmp

          memory/3256-43-0x0000000005FD0000-0x0000000006064000-memory.dmp

          memory/3256-39-0x0000000003E80000-0x0000000003E8C000-memory.dmp

          memory/3700-156-0x0000000001A30000-0x0000000001A4A000-memory.dmp

          memory/3700-197-0x0000000004590000-0x00000000045FC000-memory.dmp

          memory/3700-202-0x0000000004890000-0x0000000004966000-memory.dmp

          memory/3700-162-0x0000000004120000-0x00000000041B4000-memory.dmp

          memory/3700-166-0x0000000004370000-0x0000000004520000-memory.dmp

          memory/3700-200-0x0000000004520000-0x0000000004561000-memory.dmp

          memory/3700-198-0x00000000046A0000-0x0000000004732000-memory.dmp

          memory/3700-180-0x0000000004320000-0x0000000004370000-memory.dmp

          memory/4608-8-0x0000000074BC0000-0x000000007537C000-memory.dmp

          memory/4608-7-0x0000000006080000-0x000000000663A000-memory.dmp

          memory/4608-0-0x0000000074BD2000-0x0000000074BD3000-memory.dmp

          memory/4608-9-0x0000000074BC0000-0x000000007537C000-memory.dmp

          memory/4608-5-0x00000000058D0000-0x00000000058F8000-memory.dmp

          memory/4608-6-0x0000000005900000-0x0000000005AB0000-memory.dmp

          memory/4608-11-0x0000000074BC0000-0x000000007537C000-memory.dmp

          memory/4608-4-0x0000000074BC0000-0x000000007537C000-memory.dmp

          memory/4608-3-0x0000000005820000-0x00000000058B4000-memory.dmp

          memory/4608-2-0x00000000057B0000-0x00000000057BC000-memory.dmp

          memory/4608-13-0x0000000074BC0000-0x000000007537C000-memory.dmp

          memory/4608-1-0x0000000003320000-0x0000000003328000-memory.dmp

          memory/6040-220-0x0000000000C80000-0x0000000000D2E000-memory.dmp

          memory/6040-221-0x0000000003070000-0x00000000030DC000-memory.dmp

          memory/6040-222-0x000000001BD40000-0x000000001BDD4000-memory.dmp

          memory/6040-224-0x000000001BF90000-0x000000001C140000-memory.dmp

          memory/6040-225-0x00000000016A0000-0x00000000016BA000-memory.dmp

          memory/6040-226-0x000000001C2D0000-0x000000001C458000-memory.dmp